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Version 7 of Angular — CLI Prompts, Virtual Scroll, Drag and Drop and moreThe 7.0.0 release of Angular is here! This is a major release ning the entire platform, including the core framework, Angular Material, and the CLI with synchronized major versions. Virtual Scrolling can improve the performance of applicationsHow to update to v7Visit update.angular.io for detailed information and guidance on updating your application, but thanks to the work we did in v6, updating to v7 should be one command for most developers:ng update @angular/cli @angular/coreEarly adopters of v7 have reported that this update is faster than ever, and many apps take less than 10 minutes to update. CLI PromptsThe CLI will now prompt users when running common commands like ng new or ng add @angular/material to help you discover built-in features like routing or SCSS support. StackBlitz 2.0 Supports multipane editing and the Angular Language ServiceAngular Console — A downloadable console for starting and running Angular projects on your local has a new home on npm, and has its first stable release for AngularNativeScript — It’s now possible to have a single project that builds for both web and installed mobile with 2.0 has been released and now includes the Angular Language Service, and more features like tabbed editing

Beginner FriendlyWe aim to make Angular Console a great tool for developers who are new to Angular or Angular CLI. Also, Angular Console highlights the properties you are likely to use for build-in generators and commands. Useful to ExpertsAt the same time, Angular Console is a robust tool that can do everything the Angular CLI can do — it’s the UI for the CLI. Every command you can run in the terminal, you can run via Angular Console. We at Nrwl hire the best Angular developers, and most of us find Angular Console a great companion to the CLI and use it on the daily basis. Continue reading

Throughout this tutorial, we’ll be using Angular 6 to build a Progressive Web Application, step by step, implementing the core tenets of PWAs using Angular CLI v6. Next, we’ll use the “Audits” panel (Lighthouse) from Chrome DevTools to analyze our web application against the core tenets of PWAs. Our application has 7 failed audits mainly related to Service Workers, Progressive Enhancement, HTTPS and Web App Manifest which are the core aspects of a PWA. One simple example of PE is the use of the HTML tag that informs users of the need to enable JavaScript to run the application in case It’s not enabled:

The fourth failed audit (“Does not redirect HTTP traffic to HTTPS”) is related to HTTPS which is also a core aspect of PWAs (service workers can be only served from secure origins, except for localhost). The three failed audits (“User will not be prompted to Install the Web App”, “Is not configured for a custom Splash Screen” and “Address bar does not match brand colors”) are related to a missing Web App Manifest which is a file in JSON format that provides the name, description, icons and other information required by a PWA. Continue reading

We will take the following steps:Install Angular CLI v6Create a new Angular v6 appInstall IoniconsSetup Ionicons for use on your Angular v6 app

Install Angular CLI v6This is pretty simple — you just install the latest Angular version via npm. Angular version check using ng — versionCreate a new Angular v6 appAt this point, you have installed the Angular CLI globally on your PC. We use the ng new name-of-my-incredible-app command, it allows us to create an Angular application. ng serveThis returns the following:** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **Running the URL http://localhost:4200/ shows you your brand new app. Continue reading

For this example, I used Angular for the MVC part, Bootstrap as the CSS framework and JQuery SVG to draw crosses and circles, so we can add the dependencies using Bower’s command line, simply by typing:

Here, the attribute tells Bower to include our dependencies in the file. Here, I will show you how I used it to run my unit tests, compile the SASS files into CSS, minify the compiled CSS file, uglify, minify and copy the JS files into one project file, bundle (and clean) the application in a deployment-ready folder and copy Bower’s dependencies in the bundled application. Install it by running:

Then, load the plugin and defined it as runnable:

Regarding the configuration, the format is exactly the same as for the SASS plugin:

Your grunt file should now look like:

And the execution should create a in the folder. So first, in the configuration object passed to Grunt, you need to add an attribute for and define a target, then the list of files to copy are passed as an array of objects:

Note that you can use the same syntax as the other plugins for file, that is a JSON object were the property name is the destination folder and the value is the source folder. :

For the configuration of the plugin, all you need to specify is a target and list of files is built where the attribute name is the destination path and the value is an array of paths in the include order:

For the last time, this should be your :

And the execution result should be something like:

In this example, I showed you how to integrate Grunt with Bower to copy the dependencies in the bundle folder, I also showed you a couple of useful Grunt plugins, and I quickly showed you how to make Grunt build your SASS files. Continue reading

Angular has rapidly grown to become one of the most popular frameworks for building front-end, cross-platform web applications. While Angular is an extremely powerful framework with a broad toolkit, its overwhelmingly hard to master, especially if its your first JavaScript framework. In an attempt to reduce complexity and help other developers out, I decided to put together a clean code checklist which covers my personal recommendations for writing clean production-ready Angular code. Continue reading

It turns out that when building your own new components in Angular, you can complete the process entirely by hand like we did in the Angular Component Tutorial. Let’s try building another Angular Component but this time, we’ll make use of that very convenient Angular command line interface. Then, you can open another instance of the command line and type to create a new virtual-machines component. The nice thing about building an Angular component using the command line like we did here is that this step is taken care of automatically for you. This tutorial gave us a nice overview of how to create new angular components by making use of the helpful angular command line interface. Continue reading

One of the most reliable ways to discern whether a corporation has begun to rot is to gauge the derivative of the utility its products provide over time. A company like Apple witnessed a huge spike in average product utility when they released the iPhone, which increased for some time, but eventually plateaued when they started removing vital phone functions like the 3.5mm jack. Generally speaking, most companies experience either an S-curve or a parabolic curve of this kind of utility: the former types generally find their niche, fill it, and operate in comfortable profit without innovating much more; the latter types manage to muck things up and crash and burn having failed to understand their product. Continue reading

The ViewRef class embodies a component view in Angular. A Component declared in Angular is represented by a ViewRef class, manipulations in the Component's view is done through its ViewRef class instance. This is what is set to tell Angular that our view has either OnPush or Default CD strategy. We will look at the cases below:

DOM Events cause CD to run on a view with OnPush Strategy. enables the ChecksEnabled flag on components with OnPush CD Strategy an iterates upwards to its parent views enabling any Continue reading

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